Update README.md

Author: danialfarid

README.md

@@ -9,7 +9,8 @@ Lightweight Angular JS directive to upload files. Features:
 * Uses regular `$http` to upload (with shim for non-HTML5 browsers) so all angular `$http` features are available
 * Supports upload progress
 * Supports cancel/abort upload while in progress
-* Supports File drag and drop
+* Supports File drag and drop (HTML5 only)
+* Supports Directory drag and drop (webkit only)
 * All non-HTML5 code is in a separate shim file and could be easily removed if you only supports HTML5. (It is needed for progress event though)
 * Flash FileAPI will be loaded on demand for non-HTML5 FormData browsers so no extra load for HTML5 browsers.
 * `$upload` method can be configured to be either `POST` or `PUT` for HTML5 browsers.